H2S2O7 definition

H2S2O7





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2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Pyrosulphuric \Pyr`o*sul*phu"ric\, a. [Pyro- + -sulphuric.]
     (Chem.)
     Pertaining to, or designating, an acid called also
     {disulphuric} acid) obtained by distillation of certain
     sulphates, as a colorless, thick, oily liquid, {H2S2O7}
     resembling sulphuric acid. It is used in the solution of


     indigo, in the manufacture of alizarin, and in dehydration.
     [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Disulphuric \Di`sul*phu"ric\, a. [Pref. di- + sulphuric.]
     (Chem.)
     Applied to an acid having in each molecule two atoms of
     sulphur in the higher state of oxidation.
     [1913 Webster]
  
     {Disulphuric acid}, a thick oily liquid, {H2S2O7}, called
        also {Nordhausen acid} (from Nordhausen in the Harts,
        where it was originally manufactured), {fuming sulphuric
        acid}, and especially {pyrosulphuric acid}. See under
        {Pyrosulphuric}.
        [1913 Webster]

















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